diff --git a/src/Dapr.AspNetCore/TopicMetadataAttribute.cs b/src/Dapr.AspNetCore/TopicMetadataAttribute.cs
index eb3e4009e..93d527cc4 100644
--- a/src/Dapr.AspNetCore/TopicMetadataAttribute.cs
+++ b/src/Dapr.AspNetCore/TopicMetadataAttribute.cs
@@ -29,7 +29,7 @@ public class TopicMetadataAttribute : Attribute, IOriginalTopicMetadata
         public TopicMetadataAttribute(string name, string value)
         {
             ArgumentVerifier.ThrowIfNullOrEmpty(name, nameof(name));
-            ArgumentVerifier.ThrowIfNullOrEmpty(value, nameof(value));
+            ArgumentVerifier.ThrowIfNull(value, nameof(value));
             Name = name;
             Value = value;
         }
@@ -44,7 +44,7 @@ public TopicMetadataAttribute(string id, string name, string value)
         {
             ArgumentVerifier.ThrowIfNullOrEmpty(id, nameof(name));
             ArgumentVerifier.ThrowIfNullOrEmpty(name, nameof(name));
-            ArgumentVerifier.ThrowIfNullOrEmpty(value, nameof(value));
+            ArgumentVerifier.ThrowIfNull(value, nameof(value));
             Id = id;
             Name = name;
             Value = value;
diff --git a/test/Dapr.AspNetCore.IntegrationTest.App/DaprController.cs b/test/Dapr.AspNetCore.IntegrationTest.App/DaprController.cs
index 733ee0b73..decacbb7f 100644
--- a/test/Dapr.AspNetCore.IntegrationTest.App/DaprController.cs
+++ b/test/Dapr.AspNetCore.IntegrationTest.App/DaprController.cs
@@ -92,6 +92,14 @@ public void TopicMetadataSeparator()
         {
         }
 
+        [Topic("pubsub", "metadataseparatorbyemptytring")]
+        [HttpPost("/topicmetadataseparatorattrbyemptytring")]
+        [TopicMetadata("n1", "v1")]
+        [TopicMetadata("n1", "")]
+        public void TopicMetadataSeparatorByemptytring ()
+        {
+        }
+
         [Topic("pubsub", "splitTopicAttr", true)]
         [HttpPost("/splitTopics")]
         public void SplitTopic()
diff --git a/test/Dapr.AspNetCore.IntegrationTest/SubscribeEndpointTest.cs b/test/Dapr.AspNetCore.IntegrationTest/SubscribeEndpointTest.cs
index 62a66898d..e40e04644 100644
--- a/test/Dapr.AspNetCore.IntegrationTest/SubscribeEndpointTest.cs
+++ b/test/Dapr.AspNetCore.IntegrationTest/SubscribeEndpointTest.cs
@@ -39,7 +39,7 @@ public async Task SubscribeEndpoint_ReportsTopics()
                     var json = await JsonSerializer.DeserializeAsync<JsonElement>(stream);
 
                     json.ValueKind.Should().Be(JsonValueKind.Array);
-                    json.GetArrayLength().Should().Be(17);
+                    json.GetArrayLength().Should().Be(18);
 
                     var subscriptions = new List<(string PubsubName, string Topic, string Route, string rawPayload, string match, string metadata, string DeadLetterTopic)>();
 
@@ -116,7 +116,7 @@ public async Task SubscribeEndpoint_ReportsTopics()
                     subscriptions.Should().Contain(("pubsub", "metadata", "multiMetadataTopicAttr", string.Empty, string.Empty, "n1=v1;n2=v2,v3", string.Empty));
                     subscriptions.Should().Contain(("pubsub", "metadata.1", "multiMetadataTopicAttr", "true", string.Empty, "n1=v1", string.Empty));
                     subscriptions.Should().Contain(("pubsub", "splitMetadataTopicBuilder", "splitMetadataTopics", string.Empty, string.Empty, "n1=v1;n2=v1", string.Empty));
-
+                    subscriptions.Should().Contain(("pubsub", "metadataseparatorbyemptytring", "topicmetadataseparatorattrbyemptytring", string.Empty, string.Empty, "n1=v1,", string.Empty));
                     // Test priority route sorting
                     var eTopic = subscriptions.FindAll(e => e.Topic == "E");
                     eTopic.Count.Should().Be(3);